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World's first hBN-based deep ultraviolet LED

[Professor Jonghwan Kim’s research team at POSTECH has developed the world’s first hBN-based deep-ultraviolet LED.]

A Korean research team has developed a deep-ultraviolet (DUV) LED with an entirely new material. The DUV LED refers to a semiconductor light source designed to emit ultraviolet (UV) light with a short wavelength of 200 to 280 nanometers. Irradiating this LED on viruses or bacteria destroys harmful pathogens while minimizing harm to the human body.

Engineering the quantum states in solids using light

A POSTECH research team led by Professor Gil-Ho Lee and Gil Young Cho (Department of Physics) has developed a platform that can control the properties of solid materials with light and measure them.

Recognized for developing a platform to control and measure the properties of materials in various ways with light, the findings from the study were published in the top international academic journal Nature on March 15, 2022 (GMT).

Smart LED contact lenses for treating diabetic retinopathy

[POSTECH research team led by Professor Sei Kwang Hahn develops contact lens-type wearable devices to prevent and treat ophthalmologic diseases]

Diabetes is a long-term chronic disease with many complications and requires care over a lifetime. The longer a patient suffers from diabetes, the higher the risk of developing retinopathy which can progressively lead to a decline in vision and even to blindness.